/**
 * 数据库连接
 */
const mongoose = require('mongoose')
const config = require('./idnex')
const log4js = require('./../utils/log4j')

mongoose.connect(config.URL, { useNewUrlParser: true, useUnifiedTopology: true })

const db = mongoose.connection
db.on('error', () => {
  log4js.error('*****数据库连接失败*****')
})

db.on('open', () => {
  log4js.info('*****数据库连接成功*****')
})